def ev_close(self, worker):
"""
Check process termination status and generate appropriate events.
Note that if fsck has correctly fixed some errors, actions will be
considered as successful.
"""
if worker.did_timeout():
return FSAction.ev_close(self, worker)
# We want to skip FSAction.ev_close(), just call the upper layer.
Action.ev_close(self, worker)
self.comp.lustre_check()
# fsck returns 0=NOERROR, 1=OK_BUT_CORRECTION, 2=OK_BUT_REBOOT.
# see man fsck.
if worker.retcode() in (0, 1, 2, 4):
# action succeeded
result = Result(duration=self.duration, retcode=worker.retcode())
if worker.retcode() in (1, 2):
result.message = "Errors corrected"
if worker.retcode() == 4: # -n
result.message = "Errors found but NOT corrected"
self.comp.action_event(self, 'done', result)
self.set_status(ACT_OK)
else:
# action failed
msg = "\n".join(self._output)
result = ErrorResult(msg, self.duration, worker.retcode())
self.comp.action_event(self, 'failed', result)
self.set_status(ACT_ERROR)
def ev_close(self, worker):
"""
Check process termination status and set action status.
"""
Action.ev_close(self, worker)
self.server.lustre_check()
# Action timed out
if worker.did_timeout():
self.server.action_event(self, 'timeout')
self.set_status(ACT_ERROR)
# Action succeeded
elif worker.retcode() == 0:
result = Result(duration=self.duration, retcode=worker.retcode())
self.server.action_event(self, 'done', result)
self.set_status(ACT_OK)
# Action failed
else:
result = ErrorResult(worker.read(), self.duration,
worker.retcode())
self.server.action_event(self, 'failed', result)
self.set_status(ACT_ERROR)
def set_status(self, status):
"""
Update action status.
If this is a final state, raise corresponding events.
"""
# Do not raise events if start event was not raised.
# Start event is raised when init is set.
if self._init:
if status == ACT_OK:
self._server.action_event(self, 'done')
elif status == ACT_ERROR:
# Build an error string
errors = []
for act in self:
if act.status() == ACT_ERROR:
errors.append("'%s' failed" % act._command)
result = ErrorResult("\n".join(errors))
self._server.action_event(self, 'failed', result)
ActionGroup.set_status(self, status)
def shine_msg_unpack_v2(msg):
"""
Compatibility function to unpack old-style v2 messages.
v2-style messages were used up to v0.910, becoming useless when
v3-style messages were introduced in v0.911, released 14-02-12.
"""
# v2 message looks like:
# SHINE:2:ev_starttarget_done:{node:, comp:, rc:, message:}
event, msg = msg.split(':', 1)
data = pickle.loads(binascii.a2b_base64(msg))
dummy, actioncomp, data['status'] = event.split('_', 3)
for name in ('router', 'client', 'target', 'journal'):
if actioncomp.endswith(name):
data['action'] = actioncomp[:-len(name)]
data['compname'] = name
break
# Result is only possible for 'failed' event in v2.
if data['status'] == 'failed':
data['result'] = ErrorResult(message=data.get('message'),
retcode=data.get('rc'))
return data